package com.draemoncode.weixindb.util;

import org.dom4j.Document;
import org.dom4j.Element;

import java.util.*;

/**
 * <p></p>
 *
 * @author  yangz
 * @date    2016/10/28
 * @version latest
 */
public class XmlUtil {

    public static Map<String, Object> dom2Map(Document doc){
        Map<String, Object> map = new HashMap<String, Object>();
        if(doc == null)
            return map;
        Element root = doc.getRootElement();
        for (Iterator iterator = root.elementIterator(); iterator.hasNext();) {
            Element e = (Element) iterator.next();
            List list = e.elements();
            if(list.size() > 0){
                map.put(e.getName(), dom2Map(e));
            }else{
                map.put(e.getName(), e.getText());
            }
        }
        return map;
    }

    public static Map dom2Map(Element e){
        Map map = new HashMap();
        List list = e.elements();
        if(list.size() > 0){
            for (int i = 0;i < list.size(); i++) {
                Element iter = (Element) list.get(i);
                List mapList = new ArrayList();

                if(iter.elements().size() > 0){
                    Map m = dom2Map(iter);
                    if(map.get(iter.getName()) != null){
                        Object obj = map.get(iter.getName());
                        if(!(obj instanceof ArrayList)){
                            mapList = new ArrayList();
                            mapList.add(obj);
                            mapList.add(m);
                        }
                        if(obj instanceof ArrayList){
                            mapList = (List) obj;
                            mapList.add(m);
                        }
                        map.put(iter.getName(), mapList);
                    }else
                        map.put(iter.getName(), m);
                }
                else{
                    if(map.get(iter.getName()) != null){
                        Object obj = map.get(iter.getName());
                        if(!(obj instanceof ArrayList)){
                            mapList = new ArrayList();
                            mapList.add(obj);
                            mapList.add(iter.getText());
                        }
                        if(obj instanceof ArrayList){
                            mapList = (List) obj;
                            mapList.add(iter.getText());
                        }
                        map.put(iter.getName(), mapList);
                    }else
                        map.put(iter.getName(), iter.getText());
                }
            }
        }else{
            map.put(e.getName(), e.getText());
        }
        return map;
    }

}
